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Finding the Fourth Proportional to 508.68, 700.74 and 435.24

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Solution

The fourth proportional to 508.68, 700.74 and 435.24 is: 599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508.68 : 700.74 = 435.24 : x
  2. Step 2: Convert to fraction form
    508.68/700.74 = 435.24/x
  3. Step 3: Cross multiply
    508.68x = 700.74 × 435.24
  4. Step 4: Simplify right side
    508.68x = 304,990.08
  5. Step 5: Solve for x
    x = 304,990.08/508.68
  6. Step 6: Final answer
    x = 599.57

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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.