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Finding the Fourth Proportional to 570.06, 787.26 and 373.70

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Solution

The fourth proportional to 570.06, 787.26 and 373.70 is: 516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    570.06 : 787.26 = 373.70 : x
  2. Step 2: Convert to fraction form
    570.06/787.26 = 373.70/x
  3. Step 3: Cross multiply
    570.06x = 787.26 × 373.70
  4. Step 4: Simplify right side
    570.06x = 294,199.06
  5. Step 5: Solve for x
    x = 294,199.06/570.06
  6. Step 6: Final answer
    x = 516.08

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Why These Related Problems?

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