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Finding the Fourth Proportional to 651.87, 897.02 and 624.23

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Solution

The fourth proportional to 651.87, 897.02 and 624.23 is: 858.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.87 : 897.02 = 624.23 : x
  2. Step 2: Convert to fraction form
    651.87/897.02 = 624.23/x
  3. Step 3: Cross multiply
    651.87x = 897.02 × 624.23
  4. Step 4: Simplify right side
    651.87x = 559,939.19
  5. Step 5: Solve for x
    x = 559,939.19/651.87
  6. Step 6: Final answer
    x = 858.97

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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.