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Finding the Fourth Proportional to 623.54, 858.52 and 592.76

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Solution

The fourth proportional to 623.54, 858.52 and 592.76 is: 816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.54 : 858.52 = 592.76 : x
  2. Step 2: Convert to fraction form
    623.54/858.52 = 592.76/x
  3. Step 3: Cross multiply
    623.54x = 858.52 × 592.76
  4. Step 4: Simplify right side
    623.54x = 508,896.32
  5. Step 5: Solve for x
    x = 508,896.32/623.54
  6. Step 6: Final answer
    x = 816.14

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Double scale
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1.5x scale

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.