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Finding the Fourth Proportional to 510.54, 703.53 and 362.76

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Solution

The fourth proportional to 510.54, 703.53 and 362.76 is: 499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.54 : 703.53 = 362.76 : x
  2. Step 2: Convert to fraction form
    510.54/703.53 = 362.76/x
  3. Step 3: Cross multiply
    510.54x = 703.53 × 362.76
  4. Step 4: Simplify right side
    510.54x = 255,212.54
  5. Step 5: Solve for x
    x = 255,212.54/510.54
  6. Step 6: Final answer
    x = 499.89

Related Problems

Find fourth proportional to 255.27, 351.77 and 181.38
Half scale
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Double scale
Find fourth proportional to 511.54, 704.91 and 363.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.