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Finding the Fourth Proportional to 623.09, 928.90 and 593.93

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Solution

The fourth proportional to 623.09, 928.90 and 593.93 is: 885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.09 : 928.90 = 593.93 : x
  2. Step 2: Convert to fraction form
    623.09/928.90 = 593.93/x
  3. Step 3: Cross multiply
    623.09x = 928.90 × 593.93
  4. Step 4: Simplify right side
    623.09x = 551,693.96
  5. Step 5: Solve for x
    x = 551,693.96/623.09
  6. Step 6: Final answer
    x = 885.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.