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Finding the Fourth Proportional to 410.43, 566.35 and 253.02

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Solution

The fourth proportional to 410.43, 566.35 and 253.02 is: 349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    410.43 : 566.35 = 253.02 : x
  2. Step 2: Convert to fraction form
    410.43/566.35 = 253.02/x
  3. Step 3: Cross multiply
    410.43x = 566.35 × 253.02
  4. Step 4: Simplify right side
    410.43x = 143,297.88
  5. Step 5: Solve for x
    x = 143,297.88/410.43
  6. Step 6: Final answer
    x = 349.14

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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.