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Finding the Fourth Proportional to 508.44, 700.56 and 476.76

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Solution

The fourth proportional to 508.44, 700.56 and 476.76 is: 656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.44 : 700.56 = 476.76 : x
  2. Step 2: Convert to fraction form
    508.44/700.56 = 476.76/x
  3. Step 3: Cross multiply
    508.44x = 700.56 × 476.76
  4. Step 4: Simplify right side
    508.44x = 333,998.99
  5. Step 5: Solve for x
    x = 333,998.99/508.44
  6. Step 6: Final answer
    x = 656.91

Related Problems

Find fourth proportional to 254.22, 350.28 and 238.38
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Double scale
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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.