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Finding the Fourth Proportional to 899.04, 1,349.64 and 895.08

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Solution

The fourth proportional to 899.04, 1,349.64 and 895.08 is: 1,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    899.04 : 1,349.64 = 895.08 : x
  2. Step 2: Convert to fraction form
    899.04/1,349.64 = 895.08/x
  3. Step 3: Cross multiply
    899.04x = 1,349.64 × 895.08
  4. Step 4: Simplify right side
    899.04x = 1,208,035.77
  5. Step 5: Solve for x
    x = 1,208,035.77/899.04
  6. Step 6: Final answer
    x = 1,343.70

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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.