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Finding the Fourth Proportional to 615.33, 846.80 and 595.28

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Solution

The fourth proportional to 615.33, 846.80 and 595.28 is: 819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    615.33 : 846.80 = 595.28 : x
  2. Step 2: Convert to fraction form
    615.33/846.80 = 595.28/x
  3. Step 3: Cross multiply
    615.33x = 846.80 × 595.28
  4. Step 4: Simplify right side
    615.33x = 504,075.89
  5. Step 5: Solve for x
    x = 504,075.89/615.33
  6. Step 6: Final answer
    x = 819.20

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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.