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Finding the Fourth Proportional to 651.01, 899.03 and 557.22

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Solution

The fourth proportional to 651.01, 899.03 and 557.22 is: 769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.01 : 899.03 = 557.22 : x
  2. Step 2: Convert to fraction form
    651.01/899.03 = 557.22/x
  3. Step 3: Cross multiply
    651.01x = 899.03 × 557.22
  4. Step 4: Simplify right side
    651.01x = 500,957.50
  5. Step 5: Solve for x
    x = 500,957.50/651.01
  6. Step 6: Final answer
    x = 769.51

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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.