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Finding the Fourth Proportional to 623.24, 939.44 and 585.08

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Solution

The fourth proportional to 623.24, 939.44 and 585.08 is: 881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.24 : 939.44 = 585.08 : x
  2. Step 2: Convert to fraction form
    623.24/939.44 = 585.08/x
  3. Step 3: Cross multiply
    623.24x = 939.44 × 585.08
  4. Step 4: Simplify right side
    623.24x = 549,647.56
  5. Step 5: Solve for x
    x = 549,647.56/623.24
  6. Step 6: Final answer
    x = 881.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.