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Finding the Fourth Proportional to 701.06, 1,051.58 and 371.18

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Solution

The fourth proportional to 701.06, 1,051.58 and 371.18 is: 556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.06 : 1,051.58 = 371.18 : x
  2. Step 2: Convert to fraction form
    701.06/1,051.58 = 371.18/x
  3. Step 3: Cross multiply
    701.06x = 1,051.58 × 371.18
  4. Step 4: Simplify right side
    701.06x = 390,329.02
  5. Step 5: Solve for x
    x = 390,329.02/701.06
  6. Step 6: Final answer
    x = 556.77

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Why These Related Problems?

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