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Finding the Fourth Proportional to 1,595.32, 2,393.58 and 555.40

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Solution

The fourth proportional to 1,595.32, 2,393.58 and 555.40 is: 833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.32 : 2,393.58 = 555.40 : x
  2. Step 2: Convert to fraction form
    1,595.32/2,393.58 = 555.40/x
  3. Step 3: Cross multiply
    1,595.32x = 2,393.58 × 555.40
  4. Step 4: Simplify right side
    1,595.32x = 1,329,394.33
  5. Step 5: Solve for x
    x = 1,329,394.33/1,595.32
  6. Step 6: Final answer
    x = 833.31

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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.