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Finding the Fourth Proportional to 607.04, 910.95 and 412.16

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Solution

The fourth proportional to 607.04, 910.95 and 412.16 is: 618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.04 : 910.95 = 412.16 : x
  2. Step 2: Convert to fraction form
    607.04/910.95 = 412.16/x
  3. Step 3: Cross multiply
    607.04x = 910.95 × 412.16
  4. Step 4: Simplify right side
    607.04x = 375,457.15
  5. Step 5: Solve for x
    x = 375,457.15/607.04
  6. Step 6: Final answer
    x = 618.50

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Similar ratio
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1.5x scale

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.