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Finding the Fourth Proportional to 1,570.79, 2,356.17 and 597.27

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Solution

The fourth proportional to 1,570.79, 2,356.17 and 597.27 is: 895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570.79 : 2,356.17 = 597.27 : x
  2. Step 2: Convert to fraction form
    1,570.79/2,356.17 = 597.27/x
  3. Step 3: Cross multiply
    1,570.79x = 2,356.17 × 597.27
  4. Step 4: Simplify right side
    1,570.79x = 1,407,269.66
  5. Step 5: Solve for x
    x = 1,407,269.66/1,570.79
  6. Step 6: Final answer
    x = 895.90

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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.