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Finding the Fourth Proportional to 456.58, 630.01 and 260.02

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Solution

The fourth proportional to 456.58, 630.01 and 260.02 is: 358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    456.58 : 630.01 = 260.02 : x
  2. Step 2: Convert to fraction form
    456.58/630.01 = 260.02/x
  3. Step 3: Cross multiply
    456.58x = 630.01 × 260.02
  4. Step 4: Simplify right side
    456.58x = 163,815.20
  5. Step 5: Solve for x
    x = 163,815.20/456.58
  6. Step 6: Final answer
    x = 358.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.