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Finding the Fourth Proportional to 560.91, 837.33 and 488.01

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Solution

The fourth proportional to 560.91, 837.33 and 488.01 is: 728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.91 : 837.33 = 488.01 : x
  2. Step 2: Convert to fraction form
    560.91/837.33 = 488.01/x
  3. Step 3: Cross multiply
    560.91x = 837.33 × 488.01
  4. Step 4: Simplify right side
    560.91x = 408,625.41
  5. Step 5: Solve for x
    x = 408,625.41/560.91
  6. Step 6: Final answer
    x = 728.50

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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.