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Finding the Fourth Proportional to 651.31, 894.02 and 575.98

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Solution

The fourth proportional to 651.31, 894.02 and 575.98 is: 790.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.31 : 894.02 = 575.98 : x
  2. Step 2: Convert to fraction form
    651.31/894.02 = 575.98/x
  3. Step 3: Cross multiply
    651.31x = 894.02 × 575.98
  4. Step 4: Simplify right side
    651.31x = 514,937.64
  5. Step 5: Solve for x
    x = 514,937.64/651.31
  6. Step 6: Final answer
    x = 790.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.