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Finding the Fourth Proportional to 623.32, 858.15 and 592.54

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Solution

The fourth proportional to 623.32, 858.15 and 592.54 is: 815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.32 : 858.15 = 592.54 : x
  2. Step 2: Convert to fraction form
    623.32/858.15 = 592.54/x
  3. Step 3: Cross multiply
    623.32x = 858.15 × 592.54
  4. Step 4: Simplify right side
    623.32x = 508,488.20
  5. Step 5: Solve for x
    x = 508,488.20/623.32
  6. Step 6: Final answer
    x = 815.77

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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.