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Finding the Fourth Proportional to 623.43, 928.67 and 591.84

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Solution

The fourth proportional to 623.43, 928.67 and 591.84 is: 881.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.43 : 928.67 = 591.84 : x
  2. Step 2: Convert to fraction form
    623.43/928.67 = 591.84/x
  3. Step 3: Cross multiply
    623.43x = 928.67 × 591.84
  4. Step 4: Simplify right side
    623.43x = 549,621.09
  5. Step 5: Solve for x
    x = 549,621.09/623.43
  6. Step 6: Final answer
    x = 881.61

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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.