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Finding the Fourth Proportional to 1,145.48, 1,718.20 and 597.36

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Solution

The fourth proportional to 1,145.48, 1,718.20 and 597.36 is: 896.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145.48 : 1,718.20 = 597.36 : x
  2. Step 2: Convert to fraction form
    1,145.48/1,718.20 = 597.36/x
  3. Step 3: Cross multiply
    1,145.48x = 1,718.20 × 597.36
  4. Step 4: Simplify right side
    1,145.48x = 1,026,383.95
  5. Step 5: Solve for x
    x = 1,026,383.95/1,145.48
  6. Step 6: Final answer
    x = 896.03

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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.