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Finding the Fourth Proportional to 607.63, 837.53 and 555.35

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Solution

The fourth proportional to 607.63, 837.53 and 555.35 is: 765.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.63 : 837.53 = 555.35 : x
  2. Step 2: Convert to fraction form
    607.63/837.53 = 555.35/x
  3. Step 3: Cross multiply
    607.63x = 837.53 × 555.35
  4. Step 4: Simplify right side
    607.63x = 465,115.32
  5. Step 5: Solve for x
    x = 465,115.32/607.63
  6. Step 6: Final answer
    x = 765.46

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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.