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Finding the Fourth Proportional to 607.64, 837.64 and 441.60

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Solution

The fourth proportional to 607.64, 837.64 and 441.60 is: 608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.64 : 837.64 = 441.60 : x
  2. Step 2: Convert to fraction form
    607.64/837.64 = 441.60/x
  3. Step 3: Cross multiply
    607.64x = 837.64 × 441.60
  4. Step 4: Simplify right side
    607.64x = 369,901.82
  5. Step 5: Solve for x
    x = 369,901.82/607.64
  6. Step 6: Final answer
    x = 608.75

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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.