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Finding the Fourth Proportional to 510.07, 764.56 and 250.25

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Solution

The fourth proportional to 510.07, 764.56 and 250.25 is: 375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    510.07 : 764.56 = 250.25 : x
  2. Step 2: Convert to fraction form
    510.07/764.56 = 250.25/x
  3. Step 3: Cross multiply
    510.07x = 764.56 × 250.25
  4. Step 4: Simplify right side
    510.07x = 191,331.14
  5. Step 5: Solve for x
    x = 191,331.14/510.07
  6. Step 6: Final answer
    x = 375.11

Related Problems

Find fourth proportional to 255.04, 382.28 and 125.13
Half scale
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Double scale
Find fourth proportional to 511.07, 766.06 and 251.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.