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Finding the Fourth Proportional to 651.48, 897.06 and 637.08

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Solution

The fourth proportional to 651.48, 897.06 and 637.08 is: 877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.48 : 897.06 = 637.08 : x
  2. Step 2: Convert to fraction form
    651.48/897.06 = 637.08/x
  3. Step 3: Cross multiply
    651.48x = 897.06 × 637.08
  4. Step 4: Simplify right side
    651.48x = 571,498.98
  5. Step 5: Solve for x
    x = 571,498.98/651.48
  6. Step 6: Final answer
    x = 877.23

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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.