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Finding the Fourth Proportional to 610.04, 841.78 and 377.08

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Solution

The fourth proportional to 610.04, 841.78 and 377.08 is: 520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    610.04 : 841.78 = 377.08 : x
  2. Step 2: Convert to fraction form
    610.04/841.78 = 377.08/x
  3. Step 3: Cross multiply
    610.04x = 841.78 × 377.08
  4. Step 4: Simplify right side
    610.04x = 317,418.40
  5. Step 5: Solve for x
    x = 317,418.40/610.04
  6. Step 6: Final answer
    x = 520.32

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1.5x scale

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.