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Finding the Fourth Proportional to 620.19, 924.58 and 591.03

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Solution

The fourth proportional to 620.19, 924.58 and 591.03 is: 881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    620.19 : 924.58 = 591.03 : x
  2. Step 2: Convert to fraction form
    620.19/924.58 = 591.03/x
  3. Step 3: Cross multiply
    620.19x = 924.58 × 591.03
  4. Step 4: Simplify right side
    620.19x = 546,455.26
  5. Step 5: Solve for x
    x = 546,455.26/620.19
  6. Step 6: Final answer
    x = 881.11

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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.