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Finding the Fourth Proportional to 622.32, 928.56 and 560.96

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Solution

The fourth proportional to 622.32, 928.56 and 560.96 is: 837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    622.32 : 928.56 = 560.96 : x
  2. Step 2: Convert to fraction form
    622.32/928.56 = 560.96/x
  3. Step 3: Cross multiply
    622.32x = 928.56 × 560.96
  4. Step 4: Simplify right side
    622.32x = 520,885.02
  5. Step 5: Solve for x
    x = 520,885.02/622.32
  6. Step 6: Final answer
    x = 837.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.