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Finding the Fourth Proportional to 130.10, 195.21 and 58.01

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Solution

The fourth proportional to 130.10, 195.21 and 58.01 is: 87.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130.10 : 195.21 = 58.01 : x
  2. Step 2: Convert to fraction form
    130.10/195.21 = 58.01/x
  3. Step 3: Cross multiply
    130.10x = 195.21 × 58.01
  4. Step 4: Simplify right side
    130.10x = 11,323.16
  5. Step 5: Solve for x
    x = 11,323.16/130.10
  6. Step 6: Final answer
    x = 87.04

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.