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Finding the Fourth Proportional to 530.76, 732.14 and 333.93

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Solution

The fourth proportional to 530.76, 732.14 and 333.93 is: 460.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    530.76 : 732.14 = 333.93 : x
  2. Step 2: Convert to fraction form
    530.76/732.14 = 333.93/x
  3. Step 3: Cross multiply
    530.76x = 732.14 × 333.93
  4. Step 4: Simplify right side
    530.76x = 244,481.39
  5. Step 5: Solve for x
    x = 244,481.39/530.76
  6. Step 6: Final answer
    x = 460.63

Related Problems

Find fourth proportional to 265.38, 366.07 and 166.96
Half scale
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Double scale
Find fourth proportional to 531.76, 733.52 and 334.93
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.