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Finding the Fourth Proportional to 450.18, 624.14 and 425.58

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Solution

The fourth proportional to 450.18, 624.14 and 425.58 is: 590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    450.18 : 624.14 = 425.58 : x
  2. Step 2: Convert to fraction form
    450.18/624.14 = 425.58/x
  3. Step 3: Cross multiply
    450.18x = 624.14 × 425.58
  4. Step 4: Simplify right side
    450.18x = 265,621.50
  5. Step 5: Solve for x
    x = 265,621.50/450.18
  6. Step 6: Final answer
    x = 590.03

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.