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Finding the Fourth Proportional to 1,534.56, 2,301.72 and 560.88

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Solution

The fourth proportional to 1,534.56, 2,301.72 and 560.88 is: 841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.56 : 2,301.72 = 560.88 : x
  2. Step 2: Convert to fraction form
    1,534.56/2,301.72 = 560.88/x
  3. Step 3: Cross multiply
    1,534.56x = 2,301.72 × 560.88
  4. Step 4: Simplify right side
    1,534.56x = 1,290,988.71
  5. Step 5: Solve for x
    x = 1,290,988.71/1,534.56
  6. Step 6: Final answer
    x = 841.28

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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.